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I think I would still use the razor blade for big wings, but once they are cut short I would use the sandpaper. I have to experiment with sanding to be sure.
I think I would still use the razor blade for big wings, but once they are cut short I would use the sandpaper. I have to experiment with sanding to be sure.
4/12: This week, after much practice, I started doing real fuses. They are meeting the strength requirement to hold 850 grams, but they might be too thick. I don't trust the thickness measurements because the wings are probably making them too large.
Since the fibers are normally strong enough, my main concerns about fusing are how thick the fibers are, how to remove wings without damaging the fibers, and how to avoid unwanted dust and material between the fibers to be fused.
I have sometimes removed dust by wiping the end of a fiber with my glove. That seems to work well. Wiping it with a lint-free cloth also works but can leave a thread behind.
Jim said I should score the wing before removing it. That will help to guide the cut so the razor blade does not nick the cladding. He also suggested using sandpaper, maybe even 400 grit, on some of the fibers, but Dr. Jones said I should not do any sanding to remove wings. I tried using 5 micron grit on some of the practice fibers, but the fine grit was little help for removing wings.